117222279 has 8 divisors (see below), whose sum is σ = 156849792. Its totient is φ = 77871480.

The previous prime is 117222251. The next prime is 117222307. The reversal of 117222279 is 972222711.

It is an interprime number because it is at equal distance from previous prime (117222251) and next prime (117222307).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117222279 - 2⁵ = 117222247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117222779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68187 + ... + 69884.

It is an arithmetic number, because the mean of its divisors is an integer number (19606224).

Almost surely, 2^117222279 is an apocalyptic number.

117222279 is a deficient number, since it is larger than the sum of its proper divisors (39627513).

117222279 is a wasteful number, since it uses less digits than its factorization.

117222279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138357.

The product of its digits is 7056, while the sum is 33.

The square root of 117222279 is about 10826.9238013390. The cubic root of 117222279 is about 489.4068610890.

The spelling of 117222279 in words is "one hundred seventeen million, two hundred twenty-two thousand, two hundred seventy-nine".